package com.chen.naisimall.order.config;

import com.chen.naisimall.order.entity.OrderEntity;
import com.rabbitmq.client.Channel;
import org.springframework.amqp.core.*;
import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.lang.Nullable;

import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

/**
 * @author woita
 */
@Configuration
public class MyMQConfig {



    //Bean Binding Queue Exchange
    /**
     * 容器中Binding queue Exchange都会自动创建(RabbitMQ中没有的情况)
     * RabbitMQ 只要有,Bean声明属性发生变化也不会覆盖
     */

    @Bean
    public Queue orderDelayQueue(){
        Map<String, Object> arguments = new HashMap<>();
        arguments.put("x-dead-letter-exchange","order-event-exchange");
        arguments.put("x-dead-letter-routing-key","order.release.order");
        arguments.put("x-message-ttl",60000L);
        //(String name, boolean durable, boolean exclusive, boolean autoDelete,@Nullable Map<String, Object> arguments)
        Queue queue = new Queue("order.delay.queue", true, false, false,arguments);
        /**
         * x-dead-letter-exchange:order-event-exchange
         * x-dead-letter-routing-key:order.release-order
         * x-message-ttl:60000
         */
        return queue;
    }
    @Bean
    public Queue orderReleaseOrderQueue(){
        Queue queue = new Queue("order.release.order.queue", true, false, false);
        return queue;

    }
    @Bean
    public Exchange orderEventExchange(){
        //(String name, boolean durable, boolean autoDelete, Map<String, Object> arguments)
        TopicExchange topicExchange = new TopicExchange("order-event-exchange", true, false);
        return topicExchange;
    }
    @Bean
    public Binding orderCreateOrderBinding(){
        //(String destination, Binding.DestinationType destinationType, String exchange, String routingKey,@Nullable Map<String, Object> arguments)
        Binding binding = new Binding("order.delay.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.create.order",
                null);
        return binding;
    }
    @Bean
    public Binding OrderReleaseOrderBinding(){

        Binding binding = new Binding("order.release.order.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.release.order",
                null);
        return binding;
    }

    /**
     * 订单释放直接和库存释放进行绑定
     * @return
     */
    @Bean
    public Binding OrderReleaseOtherBinding(){
        Binding binding = new Binding("stock.release.stock.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.release.other.#",
                null);
        return binding;
    }
}
